Wireless controller



FIG. 1 is a top, rear and right-side perspective view showing a first embodiment of my new design for a wireless controller;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Broken lines in the figures illustrate features of the wireless controller that form no part of the claim. 

CLAIM The ornamental design for a wireless controller, as shown and described. 